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Tearing off old shingles vs. layering new ones: which route did you take?

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arider72
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- Tore off on the main house—pain in the wallet, but figured it’s cheaper than dealing with rot down the line. Plus, insurance guy basically gave me “the look” when I asked about layering.
- Did layer on my old garden shed. It’s still standing, but I’m not betting the farm on it.
- Disposal fees are brutal here too. I swear half my reno budget goes to the dump.
- Eco shingles sound nice, but I’m with you—until I see one last through a few winters, I’m sticking to what I know.


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literature842
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I get the temptation to layer, especially with those disposal costs—feels like you’re paying a premium just to toss stuff out. But in my line of work, I see a lot of hidden rot and water damage under double layers, especially after a nasty storm rolls through. Insurance guys definitely don’t love it either. Curious, did you notice any extra heat build-up in the shed after layering? Sometimes that second layer can trap more than just moisture…


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mechanic48
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Sometimes that second layer can trap more than just moisture…

That’s spot on. I’ve seen sheds where the double layer made the attic feel like a sauna, especially in summer. Even with vents, the heat just didn’t escape right. Pulled up the top layer once and the plywood underneath was warped and moldy—looked fine from the outside, though. Layering’s tempting, but it’s a gamble.


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sailing842
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Layering’s tempting, but it’s a gamble.

Yeah, I’ve seen that gamble go sideways more than once. Did you notice any difference in cooling costs after you pulled the extra layer? I always wonder if that heat trap ends up costing more in the long run.


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dwolf55
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Pulled two layers off mine a few years back—honestly, I did notice the upstairs stayed cooler that summer. Could’ve just been in my head, but the AC didn’t seem to run as much. Layering’s cheaper up front, but I’d rather not risk the extra weight or heat.


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